public class Example7_1{
   public static void main(String args[]){
     RedCowForm form =  new RedCowForm("红牛农场");
     form.showCowMess();
     form.cow.speak();
   }
}
class RedCowForm{
  static String formName;
  RedCow cow;
  RedCowForm(){
  }
  RedCowForm(String s){
      cow = new RedCow(150,112,5000);
      formName = s;
  }
  public void showCowMess(){
     cow.speak();
  }
  class RedCow{
      String cowName = "红牛";
      int height ,weight,price;
      RedCow(int h,int w,int p){
           height = h;
           weight = w;
           price = p;
      }
      void speak (){
          System.out.println("偶是"+cowName+"身高"+height+"体重"+weight+"生活在"+formName);
      }
  }
}





     










